CN200955545Y - Anti-theft screw-bolt whose two ends are half-spherical-face - Google Patents
Anti-theft screw-bolt whose two ends are half-spherical-face Download PDFInfo
- Publication number
- CN200955545Y CN200955545Y CN 200620098932 CN200620098932U CN200955545Y CN 200955545 Y CN200955545 Y CN 200955545Y CN 200620098932 CN200620098932 CN 200620098932 CN 200620098932 U CN200620098932 U CN 200620098932U CN 200955545 Y CN200955545 Y CN 200955545Y
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- CN
- China
- Prior art keywords
- nut
- jack
- hemisphere face
- overcoat
- hemisphere
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses an antitheft bolt with two ends being of hemisphere face shape, which relates to a bolt. The utility model comprises a screw (10), a nut (20), a screw cap coat (30), a nut coat (40), a first torque pin (51) and a second torque pin (52). The screw comprises a hemisphere face screw cap (11), a screw toothless section (12) and a screw tooth-possessing section (13) connected integrally with each other in turn. The screw cap coat (30) is sleeved on the outside of the hemisphere face screw cap (11) of the screw (10). The screw cap coat jack (31) is aimed at the screw cap jack (14), and the first torque pin (51) is inserted to the jack. The hemisphere face nut coat (40) is sleeved on the outside of the hemisphere face nut (20), and the nut coat jack (41) is aimed at the nut jack (21), and the second torque pin (52) is inserted to the jack. The utility model is of good antitheft effect, convenient operation and beauty, which has high cost performance and vast applying prospect, which is particularly applicable to the antitheft bolt of such places like the electric power iron tower.
Description
Technical field
The utility model relates to a kind of bolt, and relating in particular to a kind of two ends that are used for places such as electric power tower is the planar anti-theft bolt of hemisphere.
Background technique
The anti-theft bolt that uses in places such as electric power towers is two spiral shell types at present, promptly is made up of screw rod, nut.Screw rod and nut extruding fastening piece, nut is born antitheft effect.
But the screw rod of above-mentioned anti-theft bolt needs to stretch out one section more, and the cross section of the nut of screw rod and nut all is regular hexagon, all can use ordinary skill (as instruments such as common wrench) to twist; If firmly loose nut can withdraw from screw rod with nut, so its anti-theft feature just can't guarantee.
Because a large amount of stolen accidents that cause electric power tower to tumble of bolt happen occasionally, its consequence is hardly imaginable, has had a strong impact on the safety of China's electric power transfer, therefore presses for and releases the better bolt of a kind of anti-theft effect.
Summary of the invention
The purpose of this utility model just is to overcome the shortcoming and defect that prior art exists, and it is the planar anti-theft bolt of hemisphere that a kind of two ends are provided, and can't twist with general tool after this bolton, has realized antitheft purpose effectively.
The technical solution of the utility model is:
As Fig. 1, Fig. 2, the utility model comprises screw rod 10, nut 20, nut overcoat 30, nut overcoat the 40, the 1st torsional pin the 51, the 2nd torsional pin 52;
Described screw rod 10 comprises that the hemisphere face nut 11, screw rod anodontia section 12, the screw rod that are connected as a single entity successively have tooth section 13, and hemisphere face nut 11 is provided with 1～3 nut jack 14;
Hemisphere face nut overcoat 40 is provided with 1～3 nut overcoat jack 41;
The correlation of above-mentioned parts is: nut overcoat 30 is enclosed within hemisphere face nut 11 outsides of screw rod 10, and nut overcoat jack 31 and nut jack 14 are aimed at, and insert the 1st torsional pin 51 in the hole; Hemisphere face nut overcoat 40 is enclosed within hemisphere face nut 20 outsides, and nut overcoat jack 41 and nut jack 21 are aimed at, and insert the 2nd torsional pin 52 in the hole.
Working principle of the present utility model is:
The screw rod 10 that at first will be connected with nut overcoat 30 inserts fastening piece, and the hemisphere face nut 20 that will be connected with nut overcoat 40 again screws in screw rod 10; When rotating to certain fastening dynamics, the 1st torsional pin 51 and the 2nd torsional pin 52 are disconnected by neat undercut respectively, and nut overcoat 30 and nut overcoat 40 are come off naturally, as shown in Figure 3, its external form is similar to rivet, therefore can't and dismantle with the general tool twisting, thereby reach fastening and antitheft purpose.
The utlity model has following advantage and good effect:
1, good anti-theft effect uses general tool to twist and to dismantle;
2, do not change the traditional operation mode, easy to operate;
3, nut and nut are hemisphere type, and be elegant in appearance.
In sum, the utility model price performance height has broad application prospects, and is particularly useful for local anti-theft bolts such as electric power tower.
Description of drawings
Fig. 1-the utility model STRUCTURE DECOMPOSITION figure;
Fig. 2-the utility model structural drawing;
Fig. 3-the utility model locking back design sketch.
Wherein:
The 10-screw rod, 11-hemisphere face nut, 12-screw rod anodontia section,
The 13-screw rod has the tooth section, 14-nut jack;
20-hemisphere face nut, 21-nut jack;
30-nut overcoat, 31-nut overcoat jack;
The 40-nut overcoat, 41-nut overcoat jack;
51-the 1st torsional pin, 52-the 2nd torsional pin.
Embodiment
Further specify below in conjunction with drawings and Examples:
1, of the present utility modelly totally press Fig. 1, structure enforcement shown in Figure 2.
2, the structure of relevant parts
1) described nut overcoat 30, its cross section is regular hexagon, helps installing; Its inwall is the hemisphere face shape, and is adaptive with hemisphere face nut 11, because nut overcoat 30 closely contacts with hemisphere face nut 11, during rotation, the transmission efficiency height of power is convenient to fastening and cut-out the 1st latch 51.
2) described nut overcoat 40, its cross section is regular hexagon, helps installing; Its inwall is the hemisphere face shape, and is adaptive with hemisphere face nut 20, because nut overcoat 40 closely contacts with hemisphere face nut 20, during rotation, the transmission efficiency height of power is convenient to fastening and cut-out the 2nd latch 52.
3) at the 1st latch 51
The internal diameter of nut overcoat jack 31 and the external diameter of the 1st latch 51 are the loose fit relation,
The external diameter of the internal diameter of nut jack 14 and the 1st latch 51 is the drive fit relation;
When the 1st latch 51 cuts off,
Make the 14 neat root shutoff of nut jack, prevent that the someone from utilizing nut jack 14 to insert thefts such as pin.
4) at the 2nd latch 52
The external diameter of the internal diameter of nut overcoat jack 41 and the 2nd latch 52 is the loose fit relation,
The external diameter of the internal diameter of nut jack 21 and the 1st latch 51 is the drive fit relation;
When the 2nd latch 52 cuts off,
Make the 21 neat root shutoff of nut jack, prevent that the someone from utilizing nut jack 21 to insert thefts such as pin.
Claims (5)
1, a kind of two ends are the planar anti-theft bolt of hemisphere, it is characterized in that:
Comprise screw rod (10), nut (20), nut overcoat (30), nut overcoat (40), the 1st torsional pin (51), the 2nd torsional pin (52);
Described screw rod (10) comprises that the hemisphere face nut (11), screw rod anodontia section (12), the screw rod that are connected as a single entity successively have tooth section (13), and hemisphere face nut (11) is provided with 1～3 nut jack (14);
Hemisphere face nut (20) is provided with 1～3 nut jack (21);
Nut overcoat (30) is provided with 1～3 nut overcoat jack (31);
Hemisphere face nut overcoat (40) is provided with 1～3 nut overcoat jack (41);
Nut overcoat (30) is enclosed within hemisphere face nut (11) outside of screw rod (10), and nut overcoat jack (31) and nut jack (14) are aimed at, and inserts the 1st torsional pin (51) in the hole; Hemisphere face nut overcoat (40) is enclosed within hemisphere face nut (20) outside, and nut overcoat jack (41) and nut jack (21) are aimed at, and inserts the 2nd torsional pin (52) in the hole.
2, be the planar anti-theft bolt of hemisphere by the described a kind of two ends of claim 1, it is characterized in that:
Described nut overcoat (30), its cross section is regular hexagon, and its inwall is the hemisphere face shape, and is adaptive with hemisphere face nut (11).
3, be the planar anti-theft bolt of hemisphere by the described a kind of two ends of claim 1, it is characterized in that:
Described nut overcoat (40), its cross section is regular hexagon, and its inwall is the hemisphere face shape, and is adaptive with hemisphere face nut (20).
4, be the planar anti-theft bolt of hemisphere by the described a kind of two ends of claim 1, it is characterized in that:
The external diameter of the internal diameter of nut overcoat jack (31) and the 1st latch (51) is the loose fit relation,
The external diameter of the internal diameter of nut jack (14) and the 1st latch (51) is the drive fit relation.
5, be the planar anti-theft bolt of hemisphere by the described a kind of two ends of claim 1, it is characterized in that:
The external diameter of the internal diameter of nut overcoat jack (41) and the 2nd latch (52) is the loose fit relation,
The external diameter of the internal diameter of nut jack (21) and the 1st latch (51) is the drive fit relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620098932 CN200955545Y (en) | 2006-09-12 | 2006-09-12 | Anti-theft screw-bolt whose two ends are half-spherical-face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620098932 CN200955545Y (en) | 2006-09-12 | 2006-09-12 | Anti-theft screw-bolt whose two ends are half-spherical-face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200955545Y true CN200955545Y (en) | 2007-10-03 |
Family
ID=38774130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620098932 Expired - Fee Related CN200955545Y (en) | 2006-09-12 | 2006-09-12 | Anti-theft screw-bolt whose two ends are half-spherical-face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200955545Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389886A (en) * | 2014-11-10 | 2015-03-04 | 国网河北衡水市桃城区供电有限责任公司 | Transformer anti-screwing bolt, nut as well as special self-disassembling tool and installation and disassembling method |
-
2006
- 2006-09-12 CN CN 200620098932 patent/CN200955545Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389886A (en) * | 2014-11-10 | 2015-03-04 | 国网河北衡水市桃城区供电有限责任公司 | Transformer anti-screwing bolt, nut as well as special self-disassembling tool and installation and disassembling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071003 Termination date: 20110912 |